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Development of the Everyday Conversational Sentences in Noise test
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In: J Acoust Soc Am (2020)
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Measuring communication difficulty through effortful speech production during conversation
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The Effect of nearby maskers on speech intelligibility in reverberant, multi-talker environments
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Better-ear glimpsing at low frequencies in normal-hearing and hearing-impaired listeners
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A Method for assessing auditory spatial analysis in reverberant multitalker environments
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Cochlear implant speech intelligibility outcomes with structured and unstructured binary mask errors
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Evaluation of loudspeaker-based virtual sound environments for testing directional hearing aids
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Auditory masking of speech in reverberant multi-talker environments
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An Examination of speech reception thresholds measured in a simulated reverberant cafeteria environment
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Effect of audibility on spatial release from speech-on-speech masking
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The Influence of informational masking in reverberant, multi-talker environments
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Investigating the acoustics of a sample of open plan and enclosed Kindergarten classrooms in Australia
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Objective analysis of ambisonics for hearing aid applications : effect of listener's head, room reverberation, and directional microphones
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The Effect of spatial separation in distance on the intelligibility of speech in rooms
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Modelling binaural detection of speech stimuli in complex reverberant environments
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Frequency dependent regularization of a mixed-order Ambisonics encoding system using psychoacoustically motivated metrics
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A Real-time hearing-aid research platform (HARP) : realization, calibration, and evaluation
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Modeling horizontal localization of complex sounds in the impaired and aided impaired auditory system
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Towards a listening in spatialized noise test using complex tones
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Spectral integration of interaural time differences in auditory localization
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Abstract:
This study investigates how the auditory system integrates spatial information across frequency. In experiment one, discrimination thresholds for interaural time differences (ITDs) were measured as a function of both reference ITD and center frequency (CF) of noises with bandwidth of one ERB. In addition, discrimination thresholds were also measured as a function of CF for different values of interaural coherence (IC) typical of sounds in realistic acoustic environments. For both high ICs and small reference ITDs, discrimination thresholds were lowest for CFs between 700 and 1000 Hz. For smaller ICs and larger reference ITDs, this dominance region shifted towards lower CFs. A conceptual localization model was developed that used the variance of the ITD thresholds to optimally weight the contribution of the individual frequency bands before spectral integration. In experiment two the model was tested by asking listeners to align a broadband noise signal with an ITD that was fixed across frequency onto a broadband noise target with different ITDs in individual 1 ERB-wide subbands. The results were consistent with both the model predictions and the shift of dominance range observed in experiment one. ; 8 page(s)
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URL: http://hdl.handle.net/1959.14/288159
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